Frogs May See Monsanto’s Roundup Herbicide As a Predator

Syngenta’s atrazine isn’t the only widely used herbicide that appears to have bizarre effects on frogs. According to a study (PDF) from University of Pittsburgh ecologist Rick Relyea, Monsanto’s flagship weedkiller Roundup—by far the most-used herbicide on the planet—not only has lethal effects on tadpoles at doses found in ponds near farm fields, but it also literally changes their shape in ways that mimic tadpole’s reaction to predators. Leer más.